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Rex::ElfScan::Scanner::RegexScanner

Public Instance Methods

config(param) click to toggle source
# File lib/rex/elfscan/scanner.rb, line 173
def config(param)
        self.regex = Regexp.new(param['args'], nil, 'n')
end
scan_segment(program_header, param={}) click to toggle source
# File lib/rex/elfscan/scanner.rb, line 177
def scan_segment(program_header, param={})
        offset = program_header.p_offset

        hits = []

        while offset < program_header.p_offset + program_header.p_filesz &&
        (offset = elf.index(regex, offset)) != nil

                idx = offset
                buf = ''
                mat = nil

                while (! (mat = buf.match(regex)))
                        buf << elf.read(idx, 1)
                        idx += 1
                end

                rva = elf.offset_to_rva(offset)

                hits << [ rva, buf.unpack("H*") ]
                offset += buf.length
        end

        return hits
end

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